cu.c revision 28365 
1/*
2 * Copyright (c) 1983, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)cu.c	8.1 (Berkeley) 6/6/93";
37#endif
38static const char rcsid[] =
39	"$Id$";
40#endif /* not lint */
41
42#include "tipconf.h"
43#include "tip.h"
44
45void	cleanup();
46
47#if INCLUDE_CU_INTERFACE
48
49/*
50 * Botch the interface to look like cu's
51 */
52cumain(argc, argv)
53	char *argv[];
54{
55	register int i;
56	static char sbuf[12];
57
58	if (argc < 2) {
59		printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n");
60		exit(8);
61	}
62	CU = DV = NOSTR;
63	BR = DEFBR;
64	for (; argc > 1; argv++, argc--) {
65		if (argv[1][0] != '-')
66			PN = argv[1];
67		else switch (argv[1][1]) {
68
69		case 't':
70			HW = 1, DU = -1;
71			--argc;
72			continue;
73
74		case 'a':
75			CU = argv[2]; ++argv; --argc;
76			break;
77
78		case 's':
79			if (argc < 3 || speed(atoi(argv[2])) == 0) {
80				fprintf(stderr, "cu: unsupported speed %s\n",
81					argv[2]);
82				exit(3);
83			}
84			BR = atoi(argv[2]); ++argv; --argc;
85			break;
86
87		case 'l':
88			DV = argv[2]; ++argv; --argc;
89			break;
90
91		case '0': case '1': case '2': case '3': case '4':
92		case '5': case '6': case '7': case '8': case '9':
93			if (CU)
94				CU[strlen(CU)-1] = argv[1][1];
95			if (DV)
96				DV[strlen(DV)-1] = argv[1][1];
97			break;
98
99		default:
100			printf("Bad flag %s", argv[1]);
101			break;
102		}
103	}
104	signal(SIGINT, cleanup);
105	signal(SIGQUIT, cleanup);
106	signal(SIGHUP, cleanup);
107	signal(SIGTERM, cleanup);
108
109	/*
110	 * The "cu" host name is used to define the
111	 * attributes of the generic dialer.
112	 */
113	(void)sprintf(sbuf, "cu%d", BR);
114	if ((i = hunt(sbuf)) == 0) {
115		printf("all ports busy\n");
116		exit(3);
117	}
118	if (i == -1) {
119		printf("link down\n");
120		(void)uu_unlock(uucplock);
121		exit(3);
122	}
123	setbuf(stdout, NULL);
124	loginit();
125	user_uid();
126	vinit();
127	setparity("none");
128	boolean(value(VERBOSE)) = 0;
129	if (HW)
130		ttysetup(speed(BR));
131	if (connect()) {
132		printf("Connect failed\n");
133		daemon_uid();
134		(void)uu_unlock(uucplock);
135		exit(1);
136	}
137	if (!HW)
138		ttysetup(speed(BR));
139}
140#endif /* INCLUDE_CU_INTERFACE */
141